I'm writing a thick java client application which interfaces with a JBOSS 5.1
back-end. For one deployment a SPNEGO Login module is used. I've had success
before autheticating to LDAP login modules using the
UsernamePasswordCallbackHandler but when I tried to use this to authenticate to
SPNEGO a null pointer was thrown.
I've been searching around for a callbackhandler specific to SPNEGO but have
been unable to find one, does anyone know if such a thing exists or if not, can
you point me in the right direction for authenticating to SPNEGO using a thick
java client?
UsernamePasswordHandler handler = new
UsernamePasswordHandler(username,
| password);
|
| LoginContext lc = new LoginContext("SPNEGO", handler);
| lc.login();
javax.security.auth.login.LoginException: java.lang.NullPointerException
| at
org.jboss.security.negotiation.spnego.SPNEGOLoginModule.login(SPNEGOLoginModule.java:106)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:597)
| at
javax.security.auth.login.LoginContext.invoke(LoginContext.java:769)
| at
javax.security.auth.login.LoginContext.access$000(LoginContext.java:186)
| at javax.security.auth.login.LoginContext$4.run(LoginContext.java:683)
| at java.security.AccessController.doPrivileged(Native Method)
| at
javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680)
| at javax.security.auth.login.LoginContext.login(LoginContext.java:579)
|
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